geomagnetic storm
Americannoun
Etymology
Origin of geomagnetic storm
First recorded in 1940–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Last year, a level 5 geomagnetic storm occurred for the first time in 20 years, resulting in similarly spectacular views of the Northern and Southern Lights.
From Barron's • Nov. 13, 2025
Triggered by an intense geomagnetic storm, the northern lights made a rare visit to the Southland on Tuesday night, painting the skies above the Angeles National Forest in dazzling pink and purple hues.
From Los Angeles Times • Nov. 12, 2025
Late on Tuesday night there was a geomagnetic storm - an increase in the solar energy entering Earth's atmosphere - which enhanced the aurora.
From BBC • Apr. 16, 2025
May 2024 was especially significant, with Nasa suggesting Earth experienced the strongest geomagnetic storm in two decades - and was possibly among the strongest displays of aurora on record in the past 500 years.
From BBC • Mar. 26, 2025
This is why skygazers are excited about the recent news of an impending geomagnetic storm that will occur on Thursday evening and Friday evening, producing colorful auroras from northern California to Alabama.
From Salon • Oct. 10, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.